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  Microchip Technology Semiconductor Electronic Components Datasheet  

EMC1001 Datasheet

SMBus Temperature Sensor

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EMC1001
±1.5°C SMBus Temperature Sensor in Miniature TSOT
Features
• Self-Contained Internal Temperature Sensor
- +0.25°C resolution
- ±1.5°C Accuracy +40°C to +85°C
• SMBus Address Selected by External Resistor:
- Select 1 of 4 per package, 8 addresses
available
• Maskable Interrupt using ALERT pin
• One-shot Command during Standby
• Low Power, 3.0V to 3.6V Supply
• 47 µA at 0.0625 Conversions per Second
(Typical)
• 4.8 µA in Standby (Typical)
• SMBus 2.0 Compliant interface
• Programmable Temperature Conversion Rate
• Small 6-lead TSOT package
Applications
• Desktop and Notebook Computers
• Thermostats
• Smart batteries
• Industrial/Automotive
• Other Electronic Systems
General Description
The EMC1001 is a tiny SMBus temperature sensor
with ±1.5°C accuracy and two interrupts. Packaged in
a SOT23-6, the EMC1001 provides an accurate,
low-cost, low-current solution for critical temperature
monitoring in a PC or in embedded applications.
The EMC1001 generates two separate interrupts with
programmable thermal trip points. The THERM output
operates as a thermostat with programmable threshold
and hysteresis. The ALERT output can be configured
as a maskable SMBus alert with programmable win-
dow comparator limits, or as a second THERM output.
An efficient fan control system can be created since
this output may be used to control a fan.
A power-down mode extends battery life in portable
applications.
Each part number may be configured to respond to one
of four separate SMBus addresses.
Package Types
EMC1001
6-Lead TSOT
ADDR/THERM 1
GND 2
VDD 3
6 SMDATA
5 ALERT/THERM2
4 SMCLK
2015 Microchip Technology Inc.
DS20005411A-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

EMC1001 Datasheet

SMBus Temperature Sensor

No Preview Available !

Simplified Block Diagram
Switching
Current
Internal
Temp Diode
10-bit
delta-sigma
ADC
EMC1001
Temperature
Register
Status Register
Address Pointer Register
Conversion Rate Register
High Limit Registers
Low Limit Registers
THERM Limit Register
THERM Hysteresis Register
Configuration Register
Interrupt Masking
SMCLK
SMDATA
ALERT
THERM


Part Number EMC1001
Description SMBus Temperature Sensor
Maker Microchip
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EMC1001 Datasheet PDF






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